What does "streak" mean?

Streak: A line or long mark of a different color from the ground; a stripe; a vein. What mean those colored streaks in heaven Milton.

Additional senses

  1. 2.(Shipbuilding) A strake.
  2. 3.(Min.) The fine powder or mark yielded by a mineral when scratched or rubbed against a harder surface, the color of which is sometimes a distinguishing character.
  3. 4.The rung or round of a ladder. [Obs.]
  4. 5.To form streaks or stripes in or on; to stripe; to variegate with lines of a different color, or of different colors. A mule . . . streaked and dappled with white and black. Sandys. Now streaked and glowing with the morning red. Prior.
  5. 6.With it as an object: To run swiftly. [Colloq.]

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